81628480

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4813}}^1$

素因数の和:4883

約数の個数: 56

約数和(自身を含む): 198086472

約数和(自身を除く): 116457992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 4813, 8480, 9626, 16960, 19252, 24065, 38504, 48130, 77008, 96260, 154016, 192520, 255089, 308032, 385040, 510178, 770080, 1020356, 1275445, 1540160, 2040712, 2550890, 4081424, 5101780, 8162848, 10203560, 16325696, 20407120, 40814240, 81628480]

約数ペア:

[(1, 81628480), (2, 40814240), (4, 20407120), (5, 16325696), (8, 10203560), (10, 8162848), (16, 5101780), (20, 4081424), (32, 2550890), (40, 2040712), (53, 1540160), (64, 1275445), (80, 1020356), (106, 770080), (160, 510178), (212, 385040), (265, 308032), (320, 255089), (424, 192520), (530, 154016), (848, 96260), (1060, 77008), (1696, 48130), (2120, 38504), (3392, 24065), (4240, 19252), (4813, 16960), (8480, 9626)]